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Precision helical gears | Low-noise, high-load-bearing transmission structural components

Compared to conventional spur gears, helical gears offer a larger meshing contact area, significantly improved load-bearing capacity, less operational impact, and lower noise. The mold cavity undergoes mirror polishing, ensuring stable surface finish on the formed teeth, uniform dimensions in mass production, and wear-resistant modifiers added to the tooth material, resulting in extremely low wear during long-term high-speed operation. Multiple assembly structures, including splines and flat keys, are pre-installed in the internal bore, adaptable to various small and medium-sized speed reduction transmission mechanisms.

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  • Worm Gear Set (Bronze Worm Gear)

    As core components for precision power transmission, metal gears transmit torque and regulate rotational speed through tooth-surface meshing.

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    Worm Gear Set (Bronze Worm Gear)

  • Plastic Gears

    Our precision plastic gears are manufactured via injection molding using high-performance engineering plastics such as POM, PA66, PA46, and PEEK.

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    Plastic Gears

  • Plastic Worm Gear

    This is a helical plastic gear featuring internal threads. Precision-molded from engineering plastic, it combines a helical gear profile on the outside with an integrated threaded hole on the inside, serving as a composite structural transmission component.

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    Plastic Worm Gear

  • Plastic Gearbox Assembly

    These precision injection-molded parts are designed for automotive seat adjustment motors. The complete set supports the DC motors used for forward/backward and height adjustments, serving as critical structural plastic components within the vehicle body actuation system.

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    Plastic Gearbox Assembly

  • Harmonic Drive

    Harmonic drives are widely used in industrial automation robotic arms, offering features such as high reduction ratios, high precision, compact size, lightweight design, high load capacity, low noise, and high output torque.

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    Harmonic Drive

  • Gearbox for Coffee Grinder/Brewer

    Henghe Precision’s coffee machine gearboxes are custom-engineered for a wide range of coffee grinding, brewing, and automated drive systems

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    Gearbox for Coffee Grinder/Brewer

  • Robot Vacuum Integrated Gearbox

    An integrated gearbox module designed to drive the main brush, side brush, and mopping module of robot vacuums.

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    Robot Vacuum Integrated Gearbox

  • Floor Scrubber Gearbox

    The floor scrubber gearbox is a core transmission component for handheld scrubbers, commercial walk-behind scrubbers, and scrubbing robots.

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    Floor Scrubber Gearbox

  • Planetary Gear Reducer

    The four production bases are located nearby, giving them a clear advantage in terms of delivery time and logistics costs.

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    Planetary Gear Reducer

  • Direct-Drive Planetary Roller Screw Reducer

    Utilizing a main screw and planetary screws, this unit achieves high torque transmission, high rigidity, and a long service life.

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    Direct-Drive Planetary Roller Screw Reducer

  • Active Stabilizer Bar

    The Active Roll Control (ARC) system is an intelligent upgrade to the traditional passive stabilizer bar (anti-roll bar).

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    Active Stabilizer Bar

  • Complete Mite-Removing Device Unit

    Henghe Precision’s mite-removal device is a fabric allergen cleaning solution developed for the global market, leveraging the company's end-to-end manufacturing capabilities—spanning precision mold making, injection molding, and final assembly.

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    Complete Mite-Removing Device Unit
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Precision Solutions Across Diverse Industries

Serving high-growth industries with customized precision manufacturing.

  • Automotive Industry Solutions

    One-stop service from product development, mold manufacturing, injection molding to product assembly.

  • Home Appliance Industry Solutions

    With the comprehensive upgrading of smart home devices, premium appliances, and sophisticated small appliances, end-user products increasingly demand transmission systems that offer low noise, high stability, long service life, compact size, and low power consumption.

  • Robotics & Automation Industry Solutions

    Robotics and automation equipment impose rigorous demands on transmission systems, requiring high precision, low backlash, high torque density, impact resistance, and long service life. As the core component for motion execution, the gearbox directly determines the equipment's repeatability, operational stability, response speed, and overall service life.

Automotive Industry Solutions
Home Appliance Industry Solutions
Robotics & Automation Industry Solutions

Manufacturing Capabilities

Headquartered in Cixi, Zhejiang Province, the company has four major production bases in Ningbo, Jiaxing, Dongguan, and Malaysia. It specializes in the research and development and manufacturing of ultra-precision molds and precision components. Its main products cover precision gears and gearboxes/reducers, precision structural parts, and medium-to-large lightweight automotive parts, which are widely used in smart home appliances, automotive smart cockpits, and large-scale automotive lightweighting.

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